fed up of lewis stores

I Mr Jacobs bought a fridge and bed and cupboard at lewis stores in brackenfell ever since the first date in december 2015 until now ive only experienced the worst of service , firstly I received a broken cupboard which I received a portion back as the admitted it was a second hand cupboard,In early April 2017 I settled my full outstanding balance which over R14 000 and I have already paid more than R15 000 when my fridge arrived on the first occasion it came without a box and the stove was broken ever since that time I have been to the branch i spend hours of my date time calling to the branch they do answer however they do not respond to my complaints ive spoken to many of their *********** staff , whenever i go to the store there is new management then i need to repeat my story i have been without a fridge since october 2017 i have informed the store the branch manager promised me the will send someone out but nobody come i have lost so many cold meats and foods but thats besides my point i had to pay people to move the fridge ready for lewis to collect on numerous occasions but nobody pitch my bed is broken from the first day i bought it i cannot turn on the bed then i hear a cracking sound same story went to the store promises been made again nobody pitch so what can i do to solve my problem i do not want them to repair anything i want my full money back i am suffering of severe depression i work long hours and my wife is nagging on me lewis call daily to promote new things but im still sitting with so called new things they cant or wont want to fix i am in need of ur assistance thank you in advance.mr and mrs jacobs